Home / 23,959.20-33,065.28-13,348.80

Finding the Fourth Proportional to 23,959.20, 33,065.28 and 13,348.80

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Solution

The fourth proportional to 23,959.20, 33,065.28 and 13,348.80 is: 18,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.20 : 33,065.28 = 13,348.80 : x
  2. Step 2: Convert to fraction form
    23,959.20/33,065.28 = 13,348.80/x
  3. Step 3: Cross multiply
    23,959.20x = 33,065.28 × 13,348.80
  4. Step 4: Simplify right side
    23,959.20x = 441,381,809.66
  5. Step 5: Solve for x
    x = 441,381,809.66/23,959.20
  6. Step 6: Final answer
    x = 18,422.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.